Finding the Fourth Proportional to 170,202.15, 255,184.97 and 75,380.67
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Solution
The fourth proportional to 170,202.15, 255,184.97 and 75,380.67 is: 113,018.63
Step by Step Solution
- Step 1: Write the proportion equation
170,202.15 : 255,184.97 = 75,380.67 : x - Step 2: Convert to fraction form
170,202.15/255,184.97 = 75,380.67/x - Step 3: Cross multiply
170,202.15x = 255,184.97 × 75,380.67 - Step 4: Simplify right side
170,202.15x = 19,236,013,635.63 - Step 5: Solve for x
x = 19,236,013,635.63/170,202.15 - Step 6: Final answer
x = 113,018.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.